You can't tell. L' is the form of le or lathat is used before a noun starting with a vowel, as in l'ange, the angel (masc.), and l'image, the picture (fem.).
L'orignal is masculine in French.
"Lait" is masculine in French.
The word "table" is feminine in French.
destructeur (masc.), destructrice fem.)
Greek is "grec" (masc.) or "grecque" (fem.) in French.
Blue = bleu (masc.) bleue (fem.) White = blanc (masc.) blanche (fem.) Red = rouge (masc. and fem.)
it is dynamique (masc. and fem. singular) dymamiques (masc. and fem plural)
un kiwi (masc.)
(le) fruit is a masc. noun.
bleu (masc.), bleue (fem.)
Cher (Masc) Chere (Fem)
L'orignal is masculine in French.
"un dinosaure" is masculine in French
Feminine in French is: féminin (masc.), féminine (fem.) "mot" est un mot (masc.) féminin (masc.)
Laid (masc.) or laide (fem.).
fou (masc.), folle (fem.)
Curieux (masc.), curieuse (fem.)